- exclusions related to atorvastatin, including currently taking any statin drug (atorvastatin, simvastatin, rosuvastatin, pravastatin, lovastatin, fluvastatin), no longer taking a statin drug but history of use within the last six months, previously taking any statin drug at any time but now discontinued due to side effects, taking any medication with known interactions with atorvastatin (cyclosporine, fibric acid derivative, erythromycin, clarithromycin, combination of ritonavir plus saquinavir or lopinavir, niacin in doses exceeding multivitamin dosage, or azole antifungals), active liver disease, history of unexplained persistent elevation of serum transaminases, and hypersensitivity to any component of atorvastatin.